Portable air circulator



FIG. 1 is a front elevation view of a portable air circulator in accordance with the present invention;

FIG. 2 is a left elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left, back perspective view thereof; and,

FIG. 5 is a right, front perspective view thereof.

The broken lines illustrate portions of the portable air circulator that form no part of the claimed design. 

CLAIM The ornamental design for the portable air circulator, as shown and described. 